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Finding the Fourth Proportional to 243,512.64, 336,046.46 and 136,082.63

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Solution

The fourth proportional to 243,512.64, 336,046.46 and 136,082.63 is: 187,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,512.64 : 336,046.46 = 136,082.63 : x
  2. Step 2: Convert to fraction form
    243,512.64/336,046.46 = 136,082.63/x
  3. Step 3: Cross multiply
    243,512.64x = 336,046.46 × 136,082.63
  4. Step 4: Simplify right side
    243,512.64x = 45,730,086,238.69
  5. Step 5: Solve for x
    x = 45,730,086,238.69/243,512.64
  6. Step 6: Final answer
    x = 187,793.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.